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First record of genera Rutilaria and Trigonium(Bacillariophyta) and 11 diatom taxa(species and varieties) in South China Sea

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【作者】 吴瑞蓝东兆方琦陈长平兰彬斌孙琳高宇高亚辉

【Author】 WU Rui1,LAN Dongzhao2,FANG Qi2,CHEN Changping1,LAN Binbin2,SUN Lin 1,GAO Yu1,GAO Yahui1,3,1 School of Life Sciences,Xiamen University,Xiamen 361005,China 2 The Third Institute of Oceanography,SOA,Xiamen 361005,China 3 State Key Laboratory of Marine Environmental Science,Xiamen University,Xiamen 361005,China

【机构】 School of Life Sciences,Xiamen UniversityThe Third Institute of Oceanography,SOAState Key Laboratory of Marine Environmental Science,Xiamen University

【摘要】 Diatom taxa in samples collected from the uppermost 1-cm sediment of the South China Sea(SCS) during cruises in 2000,2001,and 2007 were investigated.Among them,two genera,Rutilaria and Trigonium,and 11 marine taxa(species and varieties) were described for the first time in China.The 11 taxa,Rutilaria radiata,Asterolampra grevillei,Biddulphia turrigera,Cocconeis cyclophora var.decora,Cocconeis ocellata,Dictyoneis marginata,Entogonia davyana,Tryblionella campechiana,Plagiogramma kinkeri,Plagiogramma nankoorense and Trigonium cf.contumax,were mainly extant species,although Rutilaria radiata and Entogonia davyana are fossils.Available data show that these species are mainly present in the eastern and western Pacific Ocean and the Indian Ocean.A large number of taxa newly recorded in this study were previously reported in the Philippines.The presence of these taxa in both locations is likely a result of seawater exchange in the SCS through the Bashi Channel.Taxonomic descriptions,habitats,and distributions of each diatom taxon are provided herein.

【Abstract】 Diatom taxa in samples collected from the uppermost 1-cm sediment of the South China Sea(SCS) during cruises in 2000,2001,and 2007 were investigated.Among them,two genera,Rutilaria and Trigonium,and 11 marine taxa(species and varieties) were described for the first time in China.The 11 taxa,Rutilaria radiata,Asterolampra grevillei,Biddulphia turrigera,Cocconeis cyclophora var.decora,Cocconeis ocellata,Dictyoneis marginata,Entogonia davyana,Tryblionella campechiana,Plagiogramma kinkeri,Plagiogramma nankoorense and Trigonium cf.contumax,were mainly extant species,although Rutilaria radiata and Entogonia davyana are fossils.Available data show that these species are mainly present in the eastern and western Pacific Ocean and the Indian Ocean.A large number of taxa newly recorded in this study were previously reported in the Philippines.The presence of these taxa in both locations is likely a result of seawater exchange in the SCS through the Bashi Channel.Taxonomic descriptions,habitats,and distributions of each diatom taxon are provided herein.

【基金】 Supported by the National Natural Science Foundation of China (Nos.40676026,41076079,40876079,40831160519,40906058);the National Basic Research Program of China(973 Program)(No. 2010CB428704)
  • 【文献出处】 Chinese Journal of Oceanology and Limnology ,中国海洋湖沼学报(英文版) , 编辑部邮箱 ,2012年05期
  • 【分类号】Q948.8
  • 【下载频次】61
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